Feature:1. Voltage, current, power and energy consumption display, current reverse indication, energy consumption reverse indication.2. HTN wide viewing angle, LCD display and green backlight offer a clear view for easy reading.3. The embedded installation is very easy, and the minimal wiring is also very simple to complete.4. Integrated built-in shunt design, the measurement is more accurate and convenient.5. Enhanced PBT material, high temperature resistance, very durable for longterm use.Specification:Item Type: Energy Meter Model: PZEM-025Material: PBT MaterialMeasuring Current: 0-200AInput Voltage: DC5-12VMeasuring Voltage: DC 0-300VProduct Size: Approx. 85.3 x 44 x 32mm / 3.4 x 1.7 x 1.3inApplication Scenarios: High and low power distribution cabinets, showcase display racks, photovoltaic inverters, assembly line testing, electronic maintenance, electronic DIY, etc..Package List:1 x Energy Meter2 x Cable1 x User ManualNote:1. This product is suitable for indoor use;2. This product is suitable for DC;3. The measured voltage and current shall not exceed the calibration range;4. Be sure to wire it correctly.